Obama, who visited the memorial before he was president in 2008, did not make any remarks at the memorial, according to a pool report. But he and the first lady dropped white and purple orchids into the sunken battleship.

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Since the memorial opened, every president has visited the site during his time in office.

Earlier in the day, Obama — who is visiting his native Hawaii over a holiday vacation — stopped for shave ice and spent time at a local beach with his family.